Home / 156,611.75-215,981.78-132,463.42

Finding the Fourth Proportional to 156,611.75, 215,981.78 and 132,463.42

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Solution

The fourth proportional to 156,611.75, 215,981.78 and 132,463.42 is: 182,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,611.75 : 215,981.78 = 132,463.42 : x
  2. Step 2: Convert to fraction form
    156,611.75/215,981.78 = 132,463.42/x
  3. Step 3: Cross multiply
    156,611.75x = 215,981.78 × 132,463.42
  4. Step 4: Simplify right side
    156,611.75x = 28,609,684,034.22
  5. Step 5: Solve for x
    x = 28,609,684,034.22/156,611.75
  6. Step 6: Final answer
    x = 182,679.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.